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Cre8audio West Pest Semi-Modular Synthesizer

3 Reviews

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The West Coast folks couldn’t be like everyone else. They had to go all yoga mat, kale smoothie, and alfalfa sprout on the synth world. West Coast style is typically characterized by additive derived, rich and complex sounds. Often more traditional user interface elements are replaced by the abstract and experimental. Perfect for you sophisticated folks.

All that said, West Pest is actually not a deep dive into the abstract. It provides a wide array of sonic capabilities while maintaining a quick and easy workflow. You’ll make fresh & inspiring sounds in a flash without having to think about kale smoothies, unless that’s your thing, in that case, yes tons of kale smoothies, pitchers full of them. Anyway, West Pest’s huge sonic capabilities emanate from its modest bento box-sized (sprout-free) exterior.

If eurorack is your thing, feel free to pop West Pest out of its enclosure and transform it right into a 40HP eurorack module, or keep it in its case and use it anywhere for your West Coast style pleasure.

Almost too fat to be buzzing around...

West Pest’s oscillator, designed in partnership with the ultra-serious people at Pittsburgh Modular Synthesizers, stems from 10 long years of stoic commitment to a continuous development of analog oscillator research and development (sounds fun right?).

Its beautiful buzzy circuitry is not a clone or based on any outside designs. It is made with 100% modern components. This keeps it very stable, and giving it a super rich, and unique sound.

No animals we harmed in the development of West Pest’s oscillator (except some of the pests that work at Pittsburgh Modular Synthesizers, but ehh, they had it coming).

Folding waves, space, time & laundry?

Our not-so-very wacky colleagues at Pittsburgh Modular Synthesizers love to drone on and on about wave folding/shaping, you’d think they’d invented or something. Seriously, never ask their founder Richard Nicol about wave folding, that is unless you are looking for a fast track lulling to sleepytime. That said, what wave folding does to your sound is super interesting. So we’ll give you just the short important bits…

West Pest utilizes a custom wave folder to shape the sound. It adds additional dimensions to West Pest’s already unique sounding oscillator core.

A wave folder shapes sounds differently than a filter. Instead of removing harmonics, the wave folder increases the harmonic content of the oscillator by folding the wave in on itself to create sonically rich waveforms. 

In addition to being able to send all of West Pest’s waveforms through its wave folder/shaper, you can also input external sound sources.

Sculpt West Coast Style

In continuity with the whole West Coast synth vibe, West Pest has a dynamics controller as well as an LFO to further sculpt its sound.

The Dynamics Controller combines the functionality of a VCA with a low pass filter to imitate the behavior of soundwaves in the real world by dynamically modifying the harmonic content with the volume of the sound. What that means is that this analog synthesizer produces sounds that sound really real. Really.

Go patch yourself

Semi-modular means that the West Pest will work without any patch cables. But what’s the fun in that? Who doesn’t want to build a magnificent web of patch cables flowing in and out of their synthesizer? Brewing up sounds the old fashion way like unwavering generations before you, one patch cable at a time is where the real magic happens.

West Pest provides access to basically 8 different modules (Oscillator, wave contour, dynamics controller, LFO, multi-mod tool, MIDI to CV converter, sequencer, and button keyboard) worth of functionality with a whopping 18 Eurorack compatible patch points to plug into itself and your other gear. Rewire West Pest’s signal flow, or share your favorite elements from West Pest with any other compatible synthesizers and vice versa.


  • West coast-style monophonic synthesizer with additive elements

  • Controllable via MIDI, CV, and integrated button keyboard

  • Fully patchable - use West Pest’s components as separate modules with external devices or reroute its internal patching. (It’s like having 8 individual modules.)

  • 32 step sequencer with up to 13 storable presets

  • Generative sequencing mode

  • Clock-synced arpeggiator

  • Step sequencer can be manipulated & transposed via MIDI and the integrated button keyboard

  • Pittsburgh Modular Synthesizer developed 100% analog oscillator

  • Oscillator waveforms - sine, triangle, and saw - Waveforms can be combined

  • Oscillator includes frequency modulation (FM)

  • Pittsburgh Modular Synthesizer famous wave folder/shaper circuit - folds inputted waves back onto themselves to increase harmonic content

  • PGH dynamics section - an alternative to an envelope generator and a VCA, the dynamics controller is a Pittsburgh Modular invention that adds a dimension of control over a vactrol-less lowpass gate circuit, adding release time. (read more on this in the user guide)

  • Dual range analog LFO with square and triangle wave outputs.

  • LFO Range High: 2 Hz to 500 Hz Low: 41 seconds to 5 Hz

  • Digital multi-mod tool - modulation control via CV, random generator, and extra LFO and envelope generator

  • Internal clock with tap tempo and can be clocked via an external source.

  • Built-in clock divider

  • Can be used standalone in its included case or removed and used as a eurorack format module

  • Specifications for when used as a eurorack module

    • Width when used as a module = 40hp

    • Depth = 25mm

    • 250mA power draw when running +12V rail

    • 190mA power draw when running -12V

  • Input voltage range of oscillator = 0-10V

  • Included in the box - 1x West Pest, 1x West Pest wall-wart power supply, 5x Amazing Nazca Noodles Patch Cables, 2x 3.5mm to 5 pin MIDI Din pigtails and pizzazz (pizzazz’s presence not guaranteed)

depth 25
_hp 40